package com.yoshino.facade;

/**
 * @author yoshino
 **/
public class DVDPlayer {

    // 单例模式，使用饿汉式
    private static DVDPlayer instance = new DVDPlayer();

    private DVDPlayer() {}

    public static DVDPlayer getInstance() {
        return instance;
    }

    public void on() {
        System.out.println("dvd on");
    }
    public void off() {
        System.out.println("dvd off");
    }
    public void play() {
        System.out.println("dvd play");
    }
    public void pause() {
        System.out.println("dvd pause");
    }

}
